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Moumoujus

COCAMIDOETHYL BETAINE.

Valuable / ANTISTATIC, CLEANSING, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING, VISCOSITY CONTROLLING

Cocamidoethyl Betaine is a mild, amphoteric surfactant primarily derived from coconut oil, recognized for its exceptional cleansing and foam-boosting capabilities. It is adept at removing impurities from skin and hair while imparting a conditioning feel.

Summary

Surfactant/Cleansing Foam Booster Emulsifying Agent Hair Conditioning Skin Conditioning Static Electricity Reduction Irritation Mitigation

Science

Mechanism of Action

This ingredient functions as a zwitterionic surfactant, effectively lowering liquid surface tension to facilitate the mixing of water with oils and dirt for comprehensive cleansing. It significantly enhances lather stability, acts as an emulsifying agent to maintain formulation integrity, and provides both skin and hair conditioning benefits, including reducing static electricity. Its inherent mildness also allows it to mitigate potential irritation from stronger co-surfactants.

Research

Clinical Evidence

High confidence
Effective range 1–10%
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

As a foundational surfactant, Cocamidoethyl Betaine is integral to product function rather than an active ingredient susceptible to 'dusting' at low concentrations.

The Formula

Formulation

Solubility
Water
Optimal pH 5 – 8
0 7 14

Stability

Research data often referencing Cocamidopropyl Betaine (CAPB) indicates excellent stability across a pH range of 5.0-8.0, with optimal skin compatibility observed between pH 5.5-7.5. It remains stable in both acidic conditions (enhancing conditioning properties) and alkaline conditions (improving cleansing efficiency). Buffer systems are essential to maintain pH stability throughout the product's shelf life. It also exhibits good solubility in alcohol.

Synergies

  • Mitigates the irritating potential of harsher primary surfactants such as SLES and SLS.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
6%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Cocamidopropyl Betaine (CAPB) is safe for use in cosmetics under current usage conditions, provided that concentrations do not exceed 6% in leave-on products and 30% in rinse-off products. Concerns regarding skin or eye irritation and sensitization are typically attributed to manufacturing impurities like amidoamines rather than the pure ingredient itself, when properly produced.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

This ingredient is a valuable, mild amphoteric surfactant that provides effective cleansing, enhanced lather, and conditioning benefits across a wide range of skincare and haircare applications.

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